42222263 has 4 divisors (see below), whose sum is σ = 42320208. Its totient is φ = 42124320.

The previous prime is 42222253. The next prime is 42222281. The reversal of 42222263 is 36222224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42222263 - 2¹⁰ = 42221239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42222233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48323 + ... + 49188.

It is an arithmetic number, because the mean of its divisors is an integer number (10580052).

Almost surely, 2^42222263 is an apocalyptic number.

42222263 is a deficient number, since it is larger than the sum of its proper divisors (97945).

42222263 is an equidigital number, since it uses as much as digits as its factorization.

42222263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97944.

The product of its digits is 2304, while the sum is 23.

The square root of 42222263 is about 6497.8660343223. The cubic root of 42222263 is about 348.2147543747.

Adding to 42222263 its reverse (36222224), we get a palindrome (78444487).

The spelling of 42222263 in words is "forty-two million, two hundred twenty-two thousand, two hundred sixty-three".